1981 Alfa Romeo Spider vs. 1971 Cadillac Calais
To start off, 1981 Alfa Romeo Spider is newer by 10 year(s). Which means there will be less support and parts availability for 1971 Cadillac Calais. In addition, the cost of maintenance, including insurance, on 1971 Cadillac Calais would be higher. At 7,733 cc (8 cylinders), 1971 Cadillac Calais is equipped with a bigger engine. In terms of performance, 1971 Cadillac Calais (228 HP @ 4400 RPM) has 125 more horse power than 1981 Alfa Romeo Spider. (103 HP @ 5500 RPM) In normal driving conditions, 1971 Cadillac Calais should accelerate faster than 1981 Alfa Romeo Spider. With that said, vehicle weight also plays an important factor in acceleration. 1971 Cadillac Calais weights approximately 1100 kg more than 1981 Alfa Romeo Spider. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Compare all specifications:
| 1981 Alfa Romeo Spider | 1971 Cadillac Calais | |
| Make | Alfa Romeo | Cadillac |
| Model | Spider | Calais |
| Year Released | 1981 | 1971 |
| Body Type | Roadster | Coupe |
| Engine Position | Front | Front |
| Engine Size | 1570 cc | 7733 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 103 HP | 228 HP |
| Engine RPM | 5500 RPM | 4400 RPM |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Weight | 1000 kg | 2100 kg |
| Vehicle Length | 4130 mm | 5750 mm |
| Wheelbase Size | 2260 mm | 3310 mm |
